Table 2 Intraoperative outcomes before and after matching with propensity score matching (PSM)
Variable | ORH N = 131 | MIRH N = 47 | P | ORH after PSM N = 60 | MIRH after PSM N = 37 | P |
|---|---|---|---|---|---|---|
Associated radiofrequency (%) | 6 (4.6%) | 1 (2.1%) | 0.68 | 1 (1.7%) | 1 (2.7%) | 1 |
Pringle’s maneuver (%) | 36 (27.5%) | 8 (17%) | 0.17 | 17 (28.3%) | 6 (16.2%) | 0.26 |
Clamping time (min) Median (interquartile range) | 15 [14.5–30] | 15 [6.25–40] | 0.71 | 12 [0–30] | 0 [0–7.5] | 0.07 |
Operative time (min) Median (interquartile range) | 390 [320–480] | 360 [275–480] | 0.43 | 390 [322.5–480] | 360 [260–491.25] | 0.42 |
EBL (ml) Median (interquartile range) | 500 [400–1000] | 475 [250–675] | 0.007 | 500 [400–1000] | 400 [215–600] | 0.01 |
Transfusion (%) | 37 (28.2%) | 9 (19.1%) | 0.25 | 17 (28.3%) | 7 (18.9%) | 0.42 |